"It could be a bug in the sdr play libs, as far as SoapySDRPlay is concerned, its just reporting the result of mir_sdr_GetDevices(). For whatever reason mir_sdr_GetDevices() debugging prints out that it finds all of the devices but does not report it correctly in the resulting structures. You might need to let sdr play know about it

I was happy user on 1.97 API with CubicSDR and GQRX / GNU radio, using one RSP1 + Rtl Sdr V2when my second RSP1 arrived two RSP1 on CubicSDR or GNU radio was impossible mission...After several re-installations managed to above level.My CubicSDR and GNU radio still not working under 2.09 API